Where: Nei Mongol, China (43.0° N, 117.6° E: paleocoordinates 30.1° N, 97.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Huanggangliang Formation, Capitanian (264.3 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Primary reference: Z. F. Liang. 1980. Mollusca. Paleontological Atlas of Northeast China 1:429-484 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95798: authorized by Matthew Clapham, entered by Matthew Clapham on 28.04.2010

Creative Commons license: CC BY (attribution)